Research Article

Change of Parameters of the Koiwa–Hasiguti Dynamic Dislocation Relaxation in Nanostructured and Polycrystalline Zirconium after Severe Plastic Deformation and Annealing

Table 3

Change of the KH peaks parameters after annealing for 1 hour at 425 K.

SampleZr-0Zr-01Zr-02RTZr-02CE
BeforeAfterBeforeAfterBeforeAfterBeforeAfter

TP, K240242 (+2)232236 (+4)231239 (+8)226236 (+10)
β3.433.42 (−0.01)2.972.65 (−0.32)3.122.6 (−0.52)2.882.3 (−0.58)
102·, (28)7.645.33 (−30.2%)3.372.49 (−26.1%)7.136.35 (−10.9%)3.382.69 (−20.4%)
102·, (29)2.912.54 (−12.7%)1.851.60 (−13.5%)3.022.56 (−16.2%)1.631.08 (−33.7%)

The changes in the corresponding values as a result of annealing are indicated in parentheses.